Lines Matching refs:x_t

39     // calculations of t and x_t below overflow and produce an incorrect interpolant (which then
69             float x_t = -1;
71                 x_t = dot(p, p) / p.x;
73                 x_t = length(p) - p.x * invR1;
81                 // is really critical, maybe we should just compute the area where temp and x_t are
85                         x_t = -sqrt(temp) - p.x * invR1;
87                         x_t = sqrt(temp) - p.x * invR1;
92             // The final calculation of t from x_t has lots of static optimizations but only do them
93             // when x_t is positive (which can be assumed true if isWellBehaved is true)
97                 if (x_t <= 0.0) {
103                     t = x_t;
105                     t = x_t + fx;
109                     t = -x_t;
111                     t = -x_t + fx;